The aluminum profile shell belongs to Category 19 in the trademark classification, non-metallic building materials; non-metallic rigid pipes for construction; asphalt, asphalt; movable non-metallic buildings; non-metallic monuments.
Plastic shells belong to Category 17 in the trademark classification, rubber, gutta-percha, gum, asbestos, mica, and products made of these raw materials that do not belong to other categories; molded plastic products for production; packaging, Materials for filling and insulation; non-metallic hoses.
Hope this helps.